I cant think of any at the moment but I can tell you one thing I found incredibly fascinating as a child were videos of the shuttle launch, fighter jets, and slo-motion videos of explosions; with books explaining how those things worked. Hahaha...

It consists of many short and easy to understand topics, each with a multiple choice quiz. I think this is a better introduction to physics for young people than reading a thick book from cover to cover - it makes it clear that physics is not a "spectator sport", but is much more fun if you try to solve some problems on your own.